AT352052B - Schneid- bzw. bohrkopf - Google Patents
Schneid- bzw. bohrkopfInfo
- Publication number
- AT352052B AT352052B AT601176A AT601176A AT352052B AT 352052 B AT352052 B AT 352052B AT 601176 A AT601176 A AT 601176A AT 601176 A AT601176 A AT 601176A AT 352052 B AT352052 B AT 352052B
- Authority
- AT
- Austria
- Prior art keywords
- cutting
- drill head
- drill
- head
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
- F16C17/18—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with floating brasses or brushing, rotatable at a reduced speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
- F16C33/122—Multilayer structures of sleeves, washers or liners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2352/00—Apparatus for drilling
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Earth Drilling (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/604,264 US3990751A (en) | 1975-08-13 | 1975-08-13 | Drill bit |
US05/695,505 US4074922A (en) | 1975-08-13 | 1976-06-11 | Drill bit |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA601176A ATA601176A (de) | 1979-02-15 |
AT352052B true AT352052B (de) | 1979-08-27 |
Family
ID=27084622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT601176A AT352052B (de) | 1975-08-13 | 1976-08-12 | Schneid- bzw. bohrkopf |
Country Status (16)
Country | Link |
---|---|
JP (1) | JPS5222501A (de) |
AT (1) | AT352052B (de) |
AU (1) | AU502035B2 (de) |
BR (1) | BR7605280A (de) |
CA (1) | CA1039266A (de) |
CH (1) | CH610982A5 (de) |
DE (1) | DE2636179A1 (de) |
DK (1) | DK363976A (de) |
ES (1) | ES450637A1 (de) |
FR (1) | FR2321034A1 (de) |
GB (1) | GB1521833A (de) |
IT (1) | IT1073442B (de) |
MX (1) | MX143147A (de) |
NL (1) | NL7608964A (de) |
NO (1) | NO762541L (de) |
SE (1) | SE7609015L (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4402617A (en) * | 1981-05-12 | 1983-09-06 | Dresser Industries, Inc. | Thin wall sintered bushing for a rock bit |
DE3207237C2 (de) * | 1982-02-25 | 1984-06-07 | Mannesmann AG, 4000 Düsseldorf | Gewindeverbindung für Ölfeldrohre |
GB2127071B (en) * | 1982-09-22 | 1985-09-18 | Reed Rock Bit Co | Friction bearing assembly for a roller cutter drill bit |
DE3429897C2 (de) * | 1984-08-14 | 1991-07-18 | Maho Werkzeugmaschinenbau Babel & Co, 8962 Pfronten | Einstellbare Geradführung für insbesondere Werkzeugmaschinen |
JPH0533453Y2 (de) * | 1989-05-30 | 1993-08-25 | ||
US5016719A (en) * | 1990-01-24 | 1991-05-21 | Western Rock Bit Company Limited | Rotary cone type rock bits |
CA2009987A1 (en) * | 1990-02-14 | 1991-08-14 | Kenneth M. White | Journal bearing type rock bit |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2465329A (en) * | 1944-05-20 | 1949-03-22 | Indium Corp America | Indium treated copper clad bearing and like articles and method of making the same |
US3150901A (en) * | 1961-11-17 | 1964-09-29 | Gen Electric | Bearing surfaces |
US3235316A (en) * | 1963-04-22 | 1966-02-15 | Hughes Tool Co | Journal bearing with alternating surface areas of wear resistant and antigalling materials |
US3784264A (en) * | 1971-03-02 | 1974-01-08 | Dresser Ind | Earth boring bit bearing system having a pitted bearing surface |
US3721307A (en) * | 1971-04-27 | 1973-03-20 | Murphy Ind Inc | Drill bit bearings |
FR2182287A5 (de) * | 1972-04-25 | 1973-12-07 | Creusot Loire | |
US3984158A (en) * | 1973-09-10 | 1976-10-05 | Dresser Industries, Inc. | Journal and pilot bearings with alternating surface areas of wear resistant and anti-galling materials |
US3866987A (en) * | 1974-01-14 | 1975-02-18 | Smith International | Drill bit with laminated friction bearing |
FR2300931A1 (fr) * | 1975-02-14 | 1976-09-10 | Creusot Loire | Palier lisse |
-
1976
- 1976-07-21 NO NO762541A patent/NO762541L/no unknown
- 1976-07-29 GB GB31723/76A patent/GB1521833A/en not_active Expired
- 1976-07-30 MX MX165726A patent/MX143147A/es unknown
- 1976-08-09 JP JP51094067A patent/JPS5222501A/ja active Pending
- 1976-08-10 CA CA258,777A patent/CA1039266A/en not_active Expired
- 1976-08-11 FR FR7624513A patent/FR2321034A1/fr active Granted
- 1976-08-11 IT IT50841/76A patent/IT1073442B/it active
- 1976-08-11 DE DE19762636179 patent/DE2636179A1/de not_active Withdrawn
- 1976-08-12 SE SE7609015A patent/SE7609015L/xx unknown
- 1976-08-12 CH CH1029076A patent/CH610982A5/xx not_active IP Right Cessation
- 1976-08-12 AU AU16804/76A patent/AU502035B2/en not_active Expired
- 1976-08-12 ES ES450637A patent/ES450637A1/es not_active Expired
- 1976-08-12 BR BR7605280A patent/BR7605280A/pt unknown
- 1976-08-12 NL NL7608964A patent/NL7608964A/xx not_active Application Discontinuation
- 1976-08-12 AT AT601176A patent/AT352052B/de not_active IP Right Cessation
- 1976-08-12 DK DK363976A patent/DK363976A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
MX143147A (es) | 1981-03-25 |
IT1073442B (it) | 1985-04-17 |
FR2321034A1 (fr) | 1977-03-11 |
AU502035B2 (en) | 1979-07-12 |
SE7609015L (sv) | 1977-02-14 |
NL7608964A (nl) | 1977-02-15 |
DK363976A (da) | 1977-02-14 |
CH610982A5 (en) | 1979-05-15 |
NO762541L (de) | 1977-02-15 |
FR2321034B1 (de) | 1982-10-29 |
ATA601176A (de) | 1979-02-15 |
DE2636179A1 (de) | 1977-02-24 |
CA1039266A (en) | 1978-09-26 |
GB1521833A (en) | 1978-08-16 |
AU1680476A (en) | 1978-02-16 |
BR7605280A (pt) | 1977-08-09 |
ES450637A1 (es) | 1977-07-16 |
JPS5222501A (en) | 1977-02-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |